Add 21/28 and 40/6
1st number: 21/28, 2nd number: 6 4/6
21/28 + 40/6 is 89/12.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 28 and 6 is 84
Next, find the equivalent fraction of both fractional numbers with denominator 84 - For the 1st fraction, since 28 × 3 = 84,
21/28 = 21 × 3/28 × 3 = 63/84 - Likewise, for the 2nd fraction, since 6 × 14 = 84,
40/6 = 40 × 14/6 × 14 = 560/84 - Add the two like fractions:
63/84 + 560/84 = 63 + 560/84 = 623/84 - 623/84 simplified gives 89/12
- So, 21/28 + 40/6 = 89/12
In mixed form: 75/12
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